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sync: rvck #170: Revert "mm: Modify __find_max_addr for memory hole" #177

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Merged
xmzzz merged 1 commit into from
Apr 8, 2026
Merged

sync: rvck #170: Revert "mm: Modify __find_max_addr for memory hole" #177

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6 changes: 3 additions & 3 deletions mm/memblock.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1811,7 +1811,6 @@ phys_addr_t __init_memblock memblock_end_of_DRAM(void)

static phys_addr_t __init_memblock __find_max_addr(phys_addr_t limit)
{
phys_addr_t phys_ram_base = memblock_start_of_DRAM();
phys_addr_t max_addr = PHYS_ADDR_MAX;
struct memblock_region *r;

Expand All @@ -1821,10 +1820,11 @@ static phys_addr_t __init_memblock __find_max_addr(phys_addr_t limit)
* of those regions, max_addr will keep original value PHYS_ADDR_MAX
*/
for_each_mem_region(r) {
if ((r->base + r->size) >= (phys_ram_base + limit)) {
max_addr = phys_ram_base + limit;
if (limit <= r->size) {
max_addr = r->base + limit;
break;
}
limit -= r->size;
}

return max_addr;
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